package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 根据用户id和菜品或套餐id查询购物车数据
     * @param shoppingCart
     * @return
     */
    ShoppingCart select(ShoppingCart shoppingCart);

    /**
     * 新增购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 更新购物车信息
     * @param cart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void update(ShoppingCart cart);

    /**
     * 根据userid查询购物车数据
     * @param currentId
     * @return
     */
    @Select("select * from shopping_cart where user_id = #{currentId}")
    List<ShoppingCart> list(Long currentId);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void clean(Long currentId);
}
